@media (min-width: 769px) {
  :root {
    --loong-navy: #082b57;
    --loong-blue: #0b5aa0;
    --loong-ink: #10243a;
    --loong-muted: #6d7c8d;
    --loong-line: #dfe7ef;
    --loong-pale: #f4f8fb;
    --loong-accent: #f5b941;
  }

  .pc_ {
    display: block;
    width: 100%;
    overflow: hidden;
    background: #f6f9fc;
  }

  .loong-home {
    color: var(--loong-ink);
    font-family: Poppins, Arial, sans-serif;
    line-height: 1.5;
    background: #f6f9fc;
  }

  .loong-home *,
  .loong-home *::before,
  .loong-home *::after {
    box-sizing: border-box;
  }

  .loong-home a {
    color: inherit;
    text-decoration: none;
  }

  .loong-home img {
    display: block;
    max-width: 100%;
  }

  .loong-shell {
    width: min(1440px, calc(100% - 120px));
    margin: 0 auto;
  }

  .loong-hero {
    position: relative;
    min-height: min(900px, 100svh);
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background: #061a31;
  }

  .loong-hero-media,
  .loong-hero-shade,
  .loong-hero-grid {
    position: absolute;
    inset: 0;
  }

  .loong-hero-media {
    background-image: var(--loong-hero-image);
    background-position: center;
    background-size: cover;
    transform: scale(1.02);
  }

  .loong-hero-shade {
    background: linear-gradient(90deg, rgba(3, 17, 35, .9) 0%, rgba(3, 17, 35, .64) 32%, rgba(3, 17, 35, .15) 65%, rgba(3, 17, 35, .1) 100%), linear-gradient(0deg, rgba(3, 17, 35, .6), transparent 40%);
  }

  .loong-hero-grid {
    opacity: .25;
    background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px);
    background-size: 74px 74px;
    mask-image: linear-gradient(90deg, rgba(0,0,0,.9), transparent 76%);
  }

  .loong-hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 70px;
    padding-top: 165px;
    padding-bottom: 145px;
  }

  .loong-hero-copy {
    width: min(760px, 62%);
  }

  .loong-kicker {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 22px;
    color: rgba(255,255,255,.78);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    line-height: 1.3;
    text-transform: uppercase;
  }

  .loong-kicker span {
    display: inline-block;
    width: 42px;
    height: 2px;
    background: var(--loong-accent);
  }

  .loong-kicker-blue {
    color: var(--loong-blue);
  }

  .loong-hero h1,
  .loong-section-heading h2 {
    margin: 0;
    font-size: clamp(48px, 5.5vw, 86px);
    font-weight: 300;
    letter-spacing: 0;
    line-height: 1.06;
  }

  .loong-hero h1 strong,
  .loong-section-heading h2 strong {
    font-weight: 700;
  }

  .loong-hero-lead {
    max-width: 610px;
    margin: 32px 0 0;
    color: rgba(255,255,255,.84);
    font-size: 18px;
    line-height: 1.75;
  }

  .loong-hero-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 38px;
  }

  .loong-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 52px;
    padding: 0 23px;
    border: 1px solid transparent;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .2px;
    transition: transform .25s ease, background .25s ease, border-color .25s ease, color .25s ease;
  }

  .loong-button:hover {
    transform: translateY(-3px);
  }

  .loong-button i,
  .loong-text-link i {
    font-size: 18px;
  }

  .loong-home a.loong-button-primary {
    background: var(--loong-accent);
    color: #10243a;
  }

  .loong-home a.loong-button-primary:hover {
    background: #ffd06a;
    color: #10243a;
  }

  .loong-home a.loong-button-ghost {
    border-color: rgba(255,255,255,.44);
    color: #fff;
    background: rgba(255,255,255,.04);
  }

  .loong-home a.loong-button-ghost:hover {
    border-color: #fff;
    background: rgba(255,255,255,.12);
    color: #fff;
  }

  .loong-home a.loong-button-dark {
    background: var(--loong-navy);
    color: #fff;
  }

  .loong-home a.loong-button-dark:hover {
    background: var(--loong-blue);
    color: #fff;
  }

  .loong-hero-proof {
    display: grid;
    width: 265px;
    gap: 14px;
  }

  .loong-proof-card {
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 3px 14px;
    padding: 18px 20px;
    border: 1px solid rgba(255,255,255,.25);
    background: rgba(4, 24, 48, .5);
    backdrop-filter: blur(12px);
  }

  .loong-proof-card i {
    grid-row: span 2;
    align-self: center;
    color: var(--loong-accent);
    font-size: 28px;
  }

  .loong-proof-card span {
    color: rgba(255,255,255,.68);
    font-size: 12px;
  }

  .loong-proof-card strong {
    font-size: 16px;
  }

  .loong-hero-bottom {
    position: absolute;
    z-index: 1;
    right: 0;
    bottom: 28px;
    left: 0;
    display: flex;
    justify-content: space-between;
    color: rgba(255,255,255,.7);
    font-size: 11px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
  }

  .loong-hero-bottom a {
    display: inline-flex;
    align-items: center;
    gap: 11px;
  }

  .loong-scroll-line {
    display: inline-block;
    width: 44px;
    height: 1px;
    background: var(--loong-accent);
  }

  .loong-trust-strip {
    position: relative;
    z-index: 2;
    margin-top: -1px;
    background: var(--loong-navy);
    color: #fff;
  }

  .loong-trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .loong-trust-grid > div {
    display: flex;
    align-items: center;
    gap: 17px;
    min-height: 105px;
    padding: 20px 30px;
    border-right: 1px solid rgba(255,255,255,.15);
  }

  .loong-trust-grid > div:first-child {
    padding-left: 0;
  }

  .loong-trust-grid > div:last-child {
    border-right: 0;
  }

  .loong-trust-grid strong {
    color: var(--loong-accent);
    font-size: 28px;
    line-height: 1;
  }

  .loong-trust-grid span {
    color: rgba(255,255,255,.68);
    font-size: 12px;
    line-height: 1.45;
  }

  .loong-section {
    padding: 125px 0;
  }

  .loong-category-section {
    background: #f6f9fc;
  }

  .loong-section-heading {
    margin-bottom: 52px;
  }

  .loong-heading-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 70px;
  }

  .loong-section-heading h2 {
    font-size: clamp(38px, 4vw, 62px);
  }

  .loong-heading-side {
    width: min(400px, 37%);
    padding-bottom: 5px;
  }

  .loong-heading-side p,
  .loong-heading-centered > p:last-child {
    margin: 0;
    color: var(--loong-muted);
    font-size: 15px;
    line-height: 1.8;
  }

  .loong-text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 25px;
    color: var(--loong-blue);
    font-size: 13px;
    font-weight: 700;
  }

  .loong-text-link:hover {
    color: var(--loong-navy);
  }

  .loong-category-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 17px;
  }

  .loong-category-card {
    min-width: 0;
    border: 1px solid var(--loong-line);
    background: #fff;
    transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
  }

  .loong-category-card:hover {
    border-color: var(--loong-blue);
    box-shadow: 0 16px 34px rgba(8,43,87,.12);
    transform: translateY(-5px);
  }

  .loong-category-image {
    position: relative;
    aspect-ratio: 1.05;
    overflow: hidden;
    background: #e8eef4;
  }

  .loong-category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

  .loong-category-card:hover .loong-category-image img {
    transform: scale(1.06);
  }

  .loong-category-arrow {
    position: absolute;
    right: 10px;
    bottom: 10px;
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    background: #fff;
    color: var(--loong-navy);
    font-size: 16px;
  }

  .loong-category-meta {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    min-height: 82px;
    padding: 15px 14px 13px;
  }

  .loong-category-meta > i {
    flex: 0 0 auto;
    margin-top: 2px;
    color: var(--loong-blue);
    font-size: 19px;
  }

  .loong-category-meta h3 {
    display: -webkit-box;
    overflow: hidden;
    margin: 0;
    color: var(--loong-ink);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .loong-category-meta span {
    display: block;
    margin-top: 6px;
    color: var(--loong-muted);
    font-size: 11px;
  }

  .loong-factory-section {
    background: #fff;
  }

  .loong-factory-feature {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(340px, .75fr);
    min-height: 500px;
    background: var(--loong-pale);
  }

  .loong-factory-campus {
    position: relative;
    min-height: 500px;
    overflow: hidden;
  }

  .loong-factory-campus > img,
  .loong-production-image > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .loong-campus-label {
    position: absolute;
    right: 25px;
    bottom: 25px;
    display: flex;
    align-items: center;
    gap: 13px;
    max-width: 350px;
    padding: 12px 16px;
    background: rgba(255,255,255,.94);
    color: var(--loong-navy);
  }

  .loong-campus-label img {
    width: 36px;
    height: 36px;
    object-fit: contain;
  }

  .loong-campus-label strong,
  .loong-campus-label span {
    display: block;
  }

  .loong-campus-label strong {
    font-size: 12px;
  }

  .loong-campus-label span {
    margin-top: 3px;
    color: var(--loong-muted);
    font-size: 10px;
  }

  .loong-factory-story {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 58px;
  }

  .loong-index {
    margin: 0 0 20px;
    color: var(--loong-blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
  }

  .loong-factory-story h3,
  .loong-production-copy h3 {
    margin: 0;
    color: var(--loong-navy);
    font-size: 29px;
    font-weight: 700;
    line-height: 1.2;
  }

  .loong-factory-story > p:not(.loong-index),
  .loong-production-copy > p:not(.loong-index) {
    margin: 22px 0 0;
    color: var(--loong-muted);
    font-size: 14px;
    line-height: 1.8;
  }

  .loong-check-list {
    display: grid;
    gap: 12px;
    margin: 27px 0 31px;
    padding: 0;
    list-style: none;
    color: var(--loong-ink);
    font-size: 13px;
  }

  .loong-check-list i {
    margin-right: 8px;
    color: var(--loong-blue);
  }

  .loong-production-feature {
    display: grid;
    grid-template-columns: .75fr 1.25fr;
    align-items: stretch;
    margin-top: 20px;
    background: var(--loong-pale);
  }

  .loong-production-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 55px;
  }

  .loong-production-note {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-top: 27px;
    color: var(--loong-blue);
    font-size: 12px;
    font-weight: 700;
  }

  .loong-production-note i {
    font-size: 19px;
  }

  .loong-production-image {
    position: relative;
    min-height: 360px;
    overflow: hidden;
  }

  .loong-image-caption {
    position: absolute;
    right: 18px;
    bottom: 18px;
    padding: 9px 12px;
    background: rgba(8,43,87,.86);
    color: #fff;
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
  }

  .loong-worker-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 17px;
    margin-top: 17px;
  }

  .loong-worker-card {
    margin: 0;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--loong-line);
  }

  .loong-worker-card > img {
    width: 100%;
    aspect-ratio: 1.15;
    object-fit: cover;
  }

  .loong-worker-card figcaption {
    display: grid;
    gap: 5px;
    padding: 16px 17px 18px;
  }

  .loong-worker-card strong {
    color: var(--loong-navy);
    font-size: 13px;
  }

  .loong-worker-card span {
    color: var(--loong-muted);
    font-size: 11px;
    line-height: 1.55;
  }

  .loong-products-section {
    background: var(--loong-navy);
    color: #fff;
  }

  .loong-heading-light .loong-heading-side p,
  .loong-heading-light .loong-text-link {
    color: rgba(255,255,255,.67);
  }

  .loong-heading-light .loong-text-link:hover {
    color: var(--loong-accent);
  }

  .loong-product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }

  .loong-product-card {
    overflow: hidden;
    background: #fff;
    color: var(--loong-ink);
    transition: transform .3s ease, box-shadow .3s ease;
  }

  .loong-product-card:hover {
    box-shadow: 0 18px 36px rgba(0,0,0,.24);
    transform: translateY(-5px);
  }

  .loong-product-image {
    position: relative;
    aspect-ratio: 1.08;
    overflow: hidden;
    background: #eef3f7;
  }

  .loong-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .45s ease;
  }

  .loong-product-card:hover .loong-product-image img {
    transform: scale(1.05);
  }

  .loong-product-image > span {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: grid;
    width: 35px;
    height: 35px;
    place-items: center;
    background: var(--loong-accent);
    color: var(--loong-navy);
    font-size: 18px;
  }

  .loong-product-body {
    padding: 19px 18px 17px;
  }

  .loong-product-body small {
    color: var(--loong-blue);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
  }

  .loong-product-body h3 {
    display: -webkit-box;
    overflow: hidden;
    min-height: 43px;
    margin: 8px 0 18px;
    font-size: 14px;
    line-height: 1.45;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .loong-product-body > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--loong-line);
    color: var(--loong-navy);
    font-size: 12px;
    font-weight: 700;
  }

  .loong-product-body > div i {
    color: var(--loong-blue);
    font-size: 18px;
  }

  .loong-application-section {
    background: #f6f9fc;
  }

  .loong-application-wrap {
    display: grid;
    grid-template-columns: 1.08fr .92fr;
    align-items: stretch;
    background: #fff;
  }

  .loong-application-image {
    position: relative;
    min-height: 620px;
    overflow: hidden;
  }

  .loong-application-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .loong-application-badge {
    position: absolute;
    left: 26px;
    bottom: 26px;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    padding: 12px 16px;
    background: var(--loong-accent);
    color: var(--loong-navy);
    font-size: 12px;
    font-weight: 800;
  }

  .loong-application-badge i {
    font-size: 21px;
  }

  .loong-application-copy {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 70px;
  }

  .loong-application-copy h2 {
    margin: 0;
    color: var(--loong-navy);
    font-size: clamp(34px, 3.5vw, 54px);
    line-height: 1.12;
  }

  .loong-application-copy > p:not(.loong-kicker) {
    margin: 26px 0 0;
    color: var(--loong-muted);
    font-size: 14px;
    line-height: 1.85;
  }

  .loong-application-points {
    display: grid;
    gap: 19px;
    width: 100%;
    margin: 31px 0 34px;
  }

  .loong-application-points > div {
    display: flex;
    align-items: flex-start;
    gap: 13px;
  }

  .loong-application-points > div > i {
    flex: 0 0 auto;
    color: var(--loong-blue);
    font-size: 24px;
  }

  .loong-application-points strong,
  .loong-application-points small {
    display: block;
  }

  .loong-application-points strong {
    color: var(--loong-ink);
    font-size: 14px;
  }

  .loong-application-points small {
    margin-top: 3px;
    color: var(--loong-muted);
    font-size: 11px;
  }

  .loong-process-section {
    background: #fff;
  }

  .loong-heading-centered {
    max-width: 650px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
  }

  .loong-heading-centered .loong-kicker {
    justify-content: center;
  }

  .loong-heading-centered > p:last-child {
    max-width: 525px;
    margin: 22px auto 0;
  }

  .loong-process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    border-top: 1px solid var(--loong-line);
    border-bottom: 1px solid var(--loong-line);
  }

  .loong-process-step {
    position: relative;
    min-height: 265px;
    padding: 28px 27px 23px;
    border-right: 1px solid var(--loong-line);
  }

  .loong-process-step:last-child {
    border-right: 0;
  }

  .loong-process-step > span {
    color: #afbdc9;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
  }

  .loong-process-step > i {
    display: block;
    margin-top: 35px;
    color: var(--loong-blue);
    font-size: 29px;
  }

  .loong-process-step h3 {
    margin: 20px 0 0;
    color: var(--loong-navy);
    font-size: 16px;
  }

  .loong-process-step p {
    margin: 10px 0 0;
    color: var(--loong-muted);
    font-size: 12px;
    line-height: 1.65;
  }

  .loong-process-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-top: 30px;
    padding: 26px 30px;
    background: var(--loong-pale);
  }

  .loong-process-cta strong,
  .loong-process-cta span {
    display: block;
  }

  .loong-process-cta strong {
    color: var(--loong-navy);
    font-size: 18px;
  }

  .loong-process-cta span {
    margin-top: 4px;
    color: var(--loong-muted);
    font-size: 12px;
  }

  .pc_ ~ #kf {
    position: relative;
    margin: 0;
    padding: 100px 0 108px;
    background: #edf4f9;
  }

  .pc_ ~ #kf .cs-container {
    width: min(1440px, calc(100% - 120px));
  }

  .pc_ ~ #kf .cs-eyebrow {
    color: var(--loong-blue);
    font-weight: 800;
    letter-spacing: 2px;
  }

  .pc_ ~ #kf .cs-title {
    color: var(--loong-navy);
  }

  .pc_ ~ #kf .cs-card {
    border-color: #d8e4ed;
    box-shadow: none;
  }

  .pc_ ~ .dibu {
    background-image: linear-gradient(rgba(3, 18, 37, .46), rgba(3, 18, 37, .34)), url('../img/loong-home/footer-steel-frame.png');
    background-position: center;
  }

  .pc_ ~ .dibu::after {
    opacity: .08;
  }
}

@media (min-width: 769px) and (max-width: 1360px) {
  .loong-shell,
  .pc_ ~ #kf .cs-container {
    width: min(1180px, calc(100% - 70px));
  }

  .loong-category-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .loong-hero h1 {
    font-size: 65px;
  }

  .loong-application-copy {
    padding: 52px;
  }
}

@media (min-width: 769px) and (max-width: 1050px) {
  .loong-shell,
  .pc_ ~ #kf .cs-container {
    width: calc(100% - 42px);
  }

  .loong-hero-content {
    gap: 25px;
  }

  .loong-hero-copy {
    width: 66%;
  }

  .loong-hero-proof {
    width: 220px;
  }

  .loong-category-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .loong-factory-feature,
  .loong-application-wrap {
    grid-template-columns: 1fr;
  }

  .loong-factory-story,
  .loong-application-copy {
    padding: 45px;
  }

  .loong-product-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .loong-process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .loong-process-step:nth-child(3) {
    border-right: 0;
  }

  .loong-process-step:nth-child(n + 4) {
    border-top: 1px solid var(--loong-line);
  }
}